Mark 10:12

If she divorces her husband and marries another, she commits adultery.

1 Corinthians 7:11

If she leaves, let her remain unmarried or become reconciled to her husband. A husband should not divorce his wife.

1 Corinthians 7:13

And the woman who has an unbelieving husband, and he is willing to live with her, she should not divorce him.

Treasury of Scripture Knowledge

Summary

And if a woman shall put away her husband, and be married to another, she committeth adultery.

Bible References

General references

Exodus 20:14
Do not commit adultery.
Luke 16:18
A man who divorces his wife and marries another woman commits adultery. The man who marries a divorced woman commits adultery. [Jesus continued to tell illustrations.]
1 Corinthians 7:4
The wife has no authority over her own body, but her husband does. Likewise also the husband has no authority over his own body, but his wife does.